13797220032 has 84 divisors (see below), whose sum is σ = 40910987520. Its totient is φ = 4440479232.

The previous prime is 13797220007. The next prime is 13797220037. The reversal of 13797220032 is 23002279731.

It is a super-2 number, since 2×13797220032² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13797220037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396288 + ... + 429695.

Almost surely, 2^13797220032 is an apocalyptic number.

13797220032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13797220032 is an abundant number, since it is smaller than the sum of its proper divisors (27113767488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13797220032 is a wasteful number, since it uses less digits than its factorization.

13797220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826030 (or 826017 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

Adding to 13797220032 its reverse (23002279731), we get a palindrome (36799499763).

The spelling of 13797220032 in words is "thirteen billion, seven hundred ninety-seven million, two hundred twenty thousand, thirty-two".